kscience/controls-kt
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Dev #8

Merged
altavir merged 78 commits from dev into master 2023-03-04 16:47:55 +03:00
Conversation 0 Commits 78 Files Changed 137 +756 -19
23 changed files with 756 additions and 19 deletions
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Showing only changes of commit 798c8eb4ef - Show all commits

2
build.gradle.kts
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@ -2,7 +2,7 @@ plugins {
id("ru.mipt.npm.gradle.project")
}
val dataforgeVersion: String by extra("0.5.1")
val dataforgeVersion: String by extra("0.5.2")
val ktorVersion: String by extra(ru.mipt.npm.gradle.KScienceVersions.ktorVersion)
val rsocketVersion by extra("0.13.1")

2
controls-core/src/commonMain/kotlin/ru/mipt/npm/controls/controllers/deviceMessages.kt
View File

@ -80,6 +80,8 @@ public suspend fun DeviceHub.respondHubMessage(request: DeviceMessage): DeviceMe
* Collect all messages from given [DeviceHub], applying proper relative names
*/
public fun DeviceHub.hubMessageFlow(scope: CoroutineScope): Flow<DeviceMessage> {
//TODO could we avoid using downstream scope?
val outbox = MutableSharedFlow<DeviceMessage>()
if (this is Device) {
messageFlow.onEach {

2
controls-magix-client/build.gradle.kts
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@ -18,4 +18,4 @@ kotlin {
}
}
}
}
}

15
controls-magix-client/src/commonMain/kotlin/ru/mipt/npm/controls/client/dfMagix.kt
View File

@ -29,6 +29,7 @@ internal fun generateId(request: MagixMessage<*>): String = if (request.id != nu
public fun DeviceManager.connectToMagix(
endpoint: MagixEndpoint<DeviceMessage>,
endpointID: String = DATAFORGE_MAGIX_FORMAT,
preSendAction: (MagixMessage<*>) -> Unit = {}
): Job = context.launch {
endpoint.subscribe().onEach { request ->
val responsePayload = respondHubMessage(request.payload)
@ -48,13 +49,15 @@ public fun DeviceManager.connectToMagix(
}.launchIn(this)
hubMessageFlow(this).onEach { payload ->
val magixMessage = MagixMessage(
format = DATAFORGE_MAGIX_FORMAT,
id = "df[${payload.hashCode()}]",
origin = endpointID,
payload = payload
)
preSendAction(magixMessage)
endpoint.broadcast(
MagixMessage(
format = DATAFORGE_MAGIX_FORMAT,
id = "df[${payload.hashCode()}]",
origin = endpointID,
payload = payload
)
magixMessage
)
}.catch { error ->
logger.error(error) { "Error while sending a message" }

13
controls-mongo/build.gradle.kts Normal file
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@ -0,0 +1,13 @@
plugins {
id("ru.mipt.npm.gradle.jvm")
`maven-publish`
}
val kmongoVersion = "4.4.0"
dependencies {
implementation(projects.controlsCore)
implementation(projects.magix.magixApi)
implementation(projects.controlsMagixClient)
implementation("org.litote.kmongo:kmongo-coroutine-serialization:$kmongoVersion")
}

58
controls-mongo/src/main/kotlin/ru/mipt/npm/controls/mongo/connections.kt Normal file
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@ -0,0 +1,58 @@
package ru.mipt.npm.controls.mongo
import kotlinx.coroutines.InternalCoroutinesApi
import kotlinx.coroutines.Job
import kotlinx.coroutines.flow.filter
import kotlinx.coroutines.flow.launchIn
import kotlinx.coroutines.flow.onEach
import kotlinx.coroutines.launch
import kotlinx.serialization.encodeToString
import kotlinx.serialization.json.Json
import org.litote.kmongo.coroutine.CoroutineClient
import org.litote.kmongo.coroutine.coroutine
import org.litote.kmongo.coroutine.insertOne
import org.litote.kmongo.reactivestreams.KMongo
import ru.mipt.npm.controls.api.DeviceMessage
import ru.mipt.npm.controls.controllers.DeviceManager
import ru.mipt.npm.controls.controllers.hubMessageFlow
import space.kscience.dataforge.context.Context
import space.kscience.dataforge.context.Factory
import space.kscience.dataforge.context.debug
import space.kscience.dataforge.context.logger
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.meta.get
import space.kscience.dataforge.meta.string
internal object DefaultMongoConfig {
const val databaseName = "deviceMessage"
}
public object MongoClientFactory : Factory<CoroutineClient> {
private const val connectionString: String = "mongodb://mongoadmin:secret@localhost:27888"
override fun invoke(meta: Meta, context: Context): CoroutineClient = meta["mongoConfig"]?.get("connectionString")?.string?.let {
KMongo.createClient(it).coroutine
} ?: KMongo.createClient(connectionString).coroutine
}
@OptIn(InternalCoroutinesApi::class)
public fun DeviceManager.connectMongo(
factory: Factory<CoroutineClient>,
filterCondition: suspend (DeviceMessage) -> Boolean = { true }
): Job {
val client = factory.invoke(meta, context)
logger.debug { "Mongo client opened" }
val collection = client
.getDatabase(meta["mongoConfig"]?.get("databaseName")?.string ?: DefaultMongoConfig.databaseName)
.getCollection<DeviceMessage>()
return hubMessageFlow(context).filter(filterCondition).onEach { message ->
context.launch {
collection.insertOne(Json.encodeToString(message))
}
}.launchIn(context).apply {
invokeOnCompletion(onCancelling = true) {
logger.debug { "Mongo client closed" }
client.close()
}
}
}

17
controls-xodus/build.gradle.kts Normal file
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@ -0,0 +1,17 @@
plugins {
id("ru.mipt.npm.gradle.jvm")
`maven-publish`
}
val xodusVersion = "1.3.232"
dependencies {
implementation(projects.controlsCore)
implementation(projects.magix.magixApi)
implementation(projects.controlsMagixClient)
implementation(projects.magix.magixServer)
implementation(projects.xodusSerialization)
implementation("org.jetbrains.xodus:xodus-entity-store:$xodusVersion")
implementation("org.jetbrains.xodus:xodus-environment:$xodusVersion")
implementation("org.jetbrains.xodus:xodus-vfs:$xodusVersion")
}

99
controls-xodus/src/main/kotlin/ru/mipt/npm/controls/xodus/connections.kt Normal file
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@ -0,0 +1,99 @@
package ru.mipt.npm.controls.xodus
import io.ktor.application.Application
import jetbrains.exodus.entitystore.PersistentEntityStore
import jetbrains.exodus.entitystore.PersistentEntityStores
import kotlinx.coroutines.InternalCoroutinesApi
import kotlinx.coroutines.Job
import kotlinx.coroutines.flow.*
import kotlinx.coroutines.job
import ru.mipt.npm.controls.api.DeviceMessage
import ru.mipt.npm.controls.controllers.DeviceManager
import ru.mipt.npm.controls.controllers.hubMessageFlow
import ru.mipt.npm.magix.server.GenericMagixMessage
import ru.mipt.npm.xodus.serialization.json.encodeToEntity
import space.kscience.dataforge.context.Context
import space.kscience.dataforge.context.Factory
import space.kscience.dataforge.context.debug
import space.kscience.dataforge.context.logger
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.meta.get
import space.kscience.dataforge.meta.string
import space.kscience.dataforge.names.Name
private const val DEFAULT_XODUS_STORE_PATH = ".storage"
private val XODUS_STORE_PROPERTY = Name.of("xodus", "entityStorePath")
private fun Context.getPersistentEntityStore(meta: Meta = Meta.EMPTY): PersistentEntityStore {
val storePath = meta[XODUS_STORE_PROPERTY]?.string
?: properties[XODUS_STORE_PROPERTY]?.string
?: DEFAULT_XODUS_STORE_PATH
return PersistentEntityStores.newInstance(storePath)
}
internal val defaultPersistentStoreFactory = object : Factory<PersistentEntityStore> {
override fun invoke(meta: Meta, context: Context): PersistentEntityStore = context.getPersistentEntityStore(meta)
}
@OptIn(InternalCoroutinesApi::class)
public fun DeviceManager.storeMessagesInXodus(
factory: Factory<PersistentEntityStore> = defaultPersistentStoreFactory,
filterCondition: suspend (DeviceMessage) -> Boolean = { true },
): Job {
val entityStore = factory(Meta.EMPTY, context)
logger.debug { "Device entity store opened" }
return hubMessageFlow(context).filter(filterCondition).onEach { message ->
entityStore.encodeToEntity(message, "DeviceMessage")
}.launchIn(context).apply {
invokeOnCompletion(onCancelling = true) {
entityStore.close()
logger.debug { "Device entity store closed" }
}
}
}
//public fun CoroutineScope.startMagixServer(
// entityStore: PersistentEntityStore,
// flowFilter: suspend (GenericMagixMessage) -> Boolean = { true },
// port: Int = MagixEndpoint.DEFAULT_MAGIX_HTTP_PORT,
// buffer: Int = 100,
// enableRawRSocket: Boolean = true,
// enableZmq: Boolean = true,
// applicationConfiguration: Application.(MutableSharedFlow<GenericMagixMessage>) -> Unit = {},
//): ApplicationEngine = startMagixServer(
// port, buffer, enableRawRSocket, enableZmq
//) { flow ->
// applicationConfiguration(flow)
// flow.filter(flowFilter).onEach { message ->
// entityStore.executeInTransaction { txn ->
// val entity = txn.newEntity("MagixMessage")
// entity.setProperty("value", message.toString())
// }
// }
//}
internal fun Flow<GenericMagixMessage>.storeInXodus(
entityStore: PersistentEntityStore,
flowFilter: (GenericMagixMessage) -> Boolean = { true },
) {
filter(flowFilter).onEach { message ->
entityStore.encodeToEntity(message, "MagixMessage")
}
}
@OptIn(InternalCoroutinesApi::class)
public fun Application.storeInXodus(
flow: MutableSharedFlow<GenericMagixMessage>,
meta: Meta = Meta.EMPTY,
factory: Factory<PersistentEntityStore> = defaultPersistentStoreFactory,
flowFilter: (GenericMagixMessage) -> Boolean = { true },
) {
val entityStore = factory(meta)
flow.storeInXodus(entityStore, flowFilter)
coroutineContext.job.invokeOnCompletion(onCancelling = true) {
entityStore.close()
}
}

73
controls-xodus/src/main/kotlin/ru/mipt/npm/controls/xodus/converters.kt Normal file
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@ -0,0 +1,73 @@
package ru.mipt.npm.controls.xodus
import jetbrains.exodus.entitystore.Entity
import jetbrains.exodus.entitystore.StoreTransaction
import kotlinx.datetime.Instant
import kotlinx.serialization.json.Json
import kotlinx.serialization.json.JsonElement
import ru.mipt.npm.controls.api.PropertyChangedMessage
import ru.mipt.npm.magix.api.MagixMessage
import space.kscience.dataforge.meta.MetaSerializer
import space.kscience.dataforge.meta.isLeaf
import space.kscience.dataforge.names.Name
import space.kscience.dataforge.values.Value
import space.kscience.dataforge.values.ValueType
internal fun PropertyChangedMessage.toEntity(transaction: StoreTransaction): Entity {
val entity = transaction.newEntity("PropertyChangedMessage")
entity.setProperty("property", property)
entity.setProperty("value", value.toString())
entity.setProperty("sourceDevice", sourceDevice.toString())
targetDevice?.let { entity.setProperty("targetDevice", it.toString()) }
comment?.let { entity.setProperty("comment", it) }
time?.let { entity.setProperty("time", it.toEpochMilliseconds()) }
return entity
}
internal fun Entity.toPropertyChangedMessage(): PropertyChangedMessage? {
if (getProperty("property") == null || getProperty("value") == null || getProperty("sourceDevice") == null) {
return null
}
return PropertyChangedMessage(
getProperty("property") as String,
Json.decodeFromString(MetaSerializer, getProperty("value") as String),
Name.parse(getProperty("sourceDevice") as String),
getProperty("targetDevice")?.let { Name.parse(it as String) },
getProperty("comment")?.let { it as String },
getProperty("time")?.let { Instant.fromEpochMilliseconds(it as Long) }
)
}
internal fun <T> MagixMessage<T>.toEntity(transaction: StoreTransaction): Entity {
val entity = transaction.newEntity("MagixMessage")
entity.setProperty("format", format)
entity.setProperty("origin", origin)
if (payload is PropertyChangedMessage) {
val payloadEntity = (payload as PropertyChangedMessage).toEntity(transaction)
entity.setLink("payload", payloadEntity)
}
target?.let { entity.setProperty("target", it) }
id?.let { entity.setProperty("id", it) }
parentId?.let { entity.setProperty("parentId", it) }
user?.let { entity.setProperty("user", it.toString()) }
return entity
}
internal fun Entity.toMagixMessage(): MagixMessage<PropertyChangedMessage>? {
if (getProperty("format") == null || getProperty("origin") == null) {
return null
}
return getLink("payload")?.toPropertyChangedMessage()?.let { propertyChangedMessage ->
MagixMessage(
getProperty("format") as String,
getProperty("origin") as String,
propertyChangedMessage,
getProperty("target")?.let { it as String },
getProperty("id")?.let { it as String },
getProperty("parentId")?.let { it as String },
getProperty("user")?.let { Json.decodeFromString(JsonElement.serializer(), it as String) }
)
}
}

15
controls-xodus/src/main/kotlin/ru/mipt/npm/controls/xodus/util/queries.kt Normal file
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@ -0,0 +1,15 @@
package ru.mipt.npm.controls.xodus.util
import jetbrains.exodus.entitystore.StoreTransaction
import kotlinx.datetime.Instant
import ru.mipt.npm.controls.api.PropertyChangedMessage
import ru.mipt.npm.controls.xodus.toPropertyChangedMessage
public fun StoreTransaction.selectPropertyChangedMessagesFromRange(
range: ClosedRange<Instant>
): List<PropertyChangedMessage> = find(
"PropertyChangedMessage",
"time",
range.start.toEpochMilliseconds(),
range.endInclusive.toEpochMilliseconds()
).mapNotNull { it.toPropertyChangedMessage() }

60
controls-xodus/src/test/kotlin/ru/mipt/npm/controls/xodus/ConvertersTest.kt Normal file
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@ -0,0 +1,60 @@
package ru.mipt.npm.controls.xodus
import jetbrains.exodus.entitystore.PersistentEntityStores
import kotlinx.datetime.Instant
import kotlinx.serialization.json.JsonObject
import kotlinx.serialization.json.JsonPrimitive
import org.junit.jupiter.api.AfterAll
import org.junit.jupiter.api.BeforeAll
import org.junit.jupiter.api.Test
import ru.mipt.npm.controls.api.PropertyChangedMessage
import ru.mipt.npm.magix.api.MagixMessage
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.names.Name
import java.io.File
import kotlin.test.assertEquals
internal class ConvertersTest {
companion object {
private val storeName = ".converters_test"
private val entityStore = PersistentEntityStores.newInstance(storeName)
private val expectedMessage = MagixMessage(
"dataforge",
"dataforge",
PropertyChangedMessage(
"acceleration",
Meta {
"x" put 3.0
"y" put 9.0
},
Name.parse("virtual-car"),
Name.parse("magix-virtual-car"),
time = Instant.fromEpochMilliseconds(1337)
),
"magix-virtual-car",
user = JsonObject(content = mapOf(Pair("name", JsonPrimitive("SCADA"))))
)
@BeforeAll
@JvmStatic
fun createEntities() {
entityStore.executeInTransaction {
expectedMessage.toEntity(it)
}
}
@AfterAll
@JvmStatic
fun deleteDatabase() {
entityStore.close()
File(storeName).deleteRecursively()
}
}
@Test
fun testMagixMessageAndPropertyChangedMessageConverters() {
assertEquals(expectedMessage, entityStore.computeInReadonlyTransaction {
it.getAll("MagixMessage").first?.toMagixMessage()
}!!)
}
}

62
controls-xodus/src/test/kotlin/ru/mipt/npm/controls/xodus/util/QueriesTest.kt Normal file
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@ -0,0 +1,62 @@
package ru.mipt.npm.controls.xodus.util
import jetbrains.exodus.entitystore.PersistentEntityStores
import kotlinx.datetime.Instant
import org.junit.jupiter.api.AfterAll
import org.junit.jupiter.api.Assertions.assertEquals
import org.junit.jupiter.api.BeforeAll
import org.junit.jupiter.api.Test
import ru.mipt.npm.controls.api.PropertyChangedMessage
import ru.mipt.npm.controls.xodus.toEntity
import space.kscience.dataforge.meta.Meta
import java.io.File
internal class QueriesTest {
companion object {
private val storeName = ".queries_test"
private val entityStore = PersistentEntityStores.newInstance(storeName)
private val propertyChangedMessages = listOf(
PropertyChangedMessage(
"",
Meta.EMPTY,
time = Instant.fromEpochMilliseconds(1000)
),
PropertyChangedMessage(
"",
Meta.EMPTY,
time = Instant.fromEpochMilliseconds(1500)
),
PropertyChangedMessage(
"",
Meta.EMPTY,
time = Instant.fromEpochMilliseconds(2000)
)
)
@BeforeAll
@JvmStatic
fun createEntities() {
entityStore.executeInTransaction { transaction ->
propertyChangedMessages.forEach {
it.toEntity(transaction)
}
}
}
@AfterAll
@JvmStatic
fun deleteDatabase() {
entityStore.close()
File(storeName).deleteRecursively()
}
}
@Test
fun testFromTo() {
assertEquals(propertyChangedMessages.subList(0, 2).toSet(), entityStore.computeInReadonlyTransaction {
it.selectPropertyChangedMessagesFromRange( Instant.fromEpochMilliseconds(1000)..Instant.fromEpochMilliseconds(1500))
}.toSet())
}
}

6
demo/car/build.gradle.kts
View File

@ -19,12 +19,18 @@ dependencies {
implementation(projects.magix.magixServer)
implementation(projects.magix.magixRsocket)
implementation(projects.controlsMagixClient)
implementation(projects.controlsXodus)
implementation(projects.controlsMongo)
implementation("io.ktor:ktor-client-cio:$ktorVersion")
implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.3.1")
implementation("no.tornado:tornadofx:1.7.20")
implementation("space.kscience:plotlykt-server:0.5.0-dev-1")
implementation("ch.qos.logback:logback-classic:1.2.3")
implementation("org.jetbrains.xodus:xodus-entity-store:1.3.232")
implementation("org.jetbrains.xodus:xodus-environment:1.3.232")
implementation("org.jetbrains.xodus:xodus-vfs:1.3.232")
implementation("org.litote.kmongo:kmongo-coroutine-serialization:4.4.0")
}
tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {

3
demo/car/src/main/kotlin/ru/mipt/npm/controls/demo/car/MagixVirtualCar.kt
View File

@ -14,8 +14,7 @@ import space.kscience.dataforge.meta.string
import space.kscience.dataforge.names.Name
import kotlin.time.ExperimentalTime
class MagixVirtualCar(context: Context, meta: Meta)
: VirtualCar(context, meta) {
class MagixVirtualCar(context: Context, meta: Meta) : VirtualCar(context, meta) {
private suspend fun MagixEndpoint<DeviceMessage>.startMagixVirtualCarUpdate() {
launch {

38
demo/car/src/main/kotlin/ru/mipt/npm/controls/demo/car/VirtualCarController.kt
View File

@ -1,42 +1,70 @@
package ru.mipt.npm.controls.demo.car
import io.ktor.server.engine.*
import io.ktor.server.engine.ApplicationEngine
import javafx.beans.property.DoubleProperty
import javafx.scene.Parent
import javafx.scene.control.TextField
import javafx.scene.layout.Priority
import javafx.stage.Stage
import kotlinx.coroutines.Job
import kotlinx.coroutines.launch
import ru.mipt.npm.controls.api.DeviceMessage
import ru.mipt.npm.controls.client.connectToMagix
import ru.mipt.npm.controls.controllers.DeviceManager
import ru.mipt.npm.controls.controllers.install
import ru.mipt.npm.controls.demo.car.IVirtualCar.Companion.acceleration
import ru.mipt.npm.controls.mongo.MongoClientFactory
import ru.mipt.npm.controls.mongo.connectMongo
import ru.mipt.npm.controls.xodus.storeInXodus
import ru.mipt.npm.controls.xodus.storeMessagesInXodus
import ru.mipt.npm.magix.api.MagixEndpoint
import ru.mipt.npm.magix.rsocket.rSocketWithTcp
import ru.mipt.npm.magix.rsocket.rSocketWithWebSockets
import ru.mipt.npm.magix.server.startMagixServer
import space.kscience.dataforge.context.*
import space.kscience.dataforge.meta.Meta
import tornadofx.*
import java.nio.file.Paths
internal object VirtualCarControllerConfig {
val deviceEntityStorePath = Paths.get(".messages")
val magixEntityStorePath = Paths.get(".server_messages")
}
class VirtualCarController : Controller(), ContextAware {
var virtualCar: VirtualCar? = null
var magixVirtualCar: MagixVirtualCar? = null
var magixServer: ApplicationEngine? = null
var xodusStorageJob: Job? = null
var mongoStorageJob: Job? = null
override val context = Context("demoDevice") {
plugin(DeviceManager)
}
private val deviceManager = context.fetch(DeviceManager)
private val deviceManager = context.fetch(DeviceManager, Meta {
"xodusConfig" put {
"entityStorePath" put VirtualCarControllerConfig.deviceEntityStorePath.toString()
}
})
fun init() {
context.launch {
virtualCar = deviceManager.install("virtual-car", VirtualCar)
//starting magix event loop
magixServer = startMagixServer(enableRawRSocket = true, enableZmq = true)
//starting magix event loop and connect it to entity store
magixServer = startMagixServer(enableRawRSocket = true, enableZmq = true) { flow ->
storeInXodus( flow, Meta {
"xodusConfig" put {
"entityStorePath" put VirtualCarControllerConfig.magixEntityStorePath.toString()
}
})
}
magixVirtualCar = deviceManager.install("magix-virtual-car", MagixVirtualCar)
//connect to device entity store
xodusStorageJob = deviceManager.storeMessagesInXodus()
//Create mongo client and connect to MongoDB
mongoStorageJob = deviceManager.connectMongo(MongoClientFactory)
//Launch device client and connect it to the server
val deviceEndpoint = MagixEndpoint.rSocketWithTcp("localhost", DeviceMessage.serializer())
deviceManager.connectToMagix(deviceEndpoint)

1
motors/build.gradle.kts
View File

@ -19,6 +19,7 @@ kscience{
}
val ktorVersion: String by rootProject.extra
val dataforgeVersion: String by extra
dependencies {
implementation(project(":controls-tcp"))

4
motors/src/main/kotlin/ru/mipt/npm/devices/pimotionmaster/PiMotionMasterApp.kt
View File

@ -16,7 +16,7 @@ import ru.mipt.npm.controls.controllers.installing
import ru.mipt.npm.devices.pimotionmaster.PiMotionMasterDevice.Axis.Companion.maxPosition
import ru.mipt.npm.devices.pimotionmaster.PiMotionMasterDevice.Axis.Companion.minPosition
import ru.mipt.npm.devices.pimotionmaster.PiMotionMasterDevice.Axis.Companion.position
import space.kscience.dataforge.context.Global
import space.kscience.dataforge.context.Context
import space.kscience.dataforge.context.fetch
import tornadofx.*
@ -24,7 +24,7 @@ class PiMotionMasterApp : App(PiMotionMasterView::class)
class PiMotionMasterController : Controller() {
//initialize context
val context = Global.buildContext("piMotionMaster"){
val context = Context("piMotionMaster"){
plugin(DeviceManager)
}

8
settings.gradle.kts
View File

@ -50,5 +50,9 @@ include(
":magix:magix-zmq",
":magix:magix-demo",
":controls-magix-client",
":motors"
)
":motors",
":controls-xodus",
":controls-mongo",
":xodus-serialization"
)
include("xodus-serialization")

22
xodus-serialization/build.gradle.kts Normal file
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@ -0,0 +1,22 @@
plugins {
id("ru.mipt.npm.gradle.jvm")
`maven-publish`
}
val xodusVersion = "1.3.232"
//TODO to be moved to DataForge
kscience {
useSerialization {
json()
}
}
dependencies {
implementation(projects.magix.magixApi)
implementation(projects.controlsCore)
implementation("org.jetbrains.xodus:xodus-entity-store:$xodusVersion")
implementation("org.jetbrains.xodus:xodus-environment:$xodusVersion")
implementation("org.jetbrains.xodus:xodus-vfs:$xodusVersion")
}

61
xodus-serialization/src/main/kotlin/ru/mipt/npm/xodus/serialization/json/decoder.kt Normal file
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@ -0,0 +1,61 @@
package ru.mipt.npm.xodus.serialization.json
import jetbrains.exodus.entitystore.Entity
import jetbrains.exodus.entitystore.EntityId
import jetbrains.exodus.entitystore.PersistentEntityStore
import jetbrains.exodus.entitystore.StoreTransaction
import kotlinx.serialization.DeserializationStrategy
import kotlinx.serialization.json.*
import kotlinx.serialization.serializer
internal fun StoreTransaction.decodeFromEntity(entity: Entity): JsonElement = buildJsonObject {
entity.propertyNames.forEach { property ->
entity.getProperty(property).let { value ->
when (value) {
is Number -> put(property, value)
is Boolean -> put(property, value)
is String -> put(property, value)
else -> throw IllegalStateException("Unsupported type for primitive field")
}
}
}
entity.linkNames.forEach { link ->
entity.getLinks(link).let { entities ->
when (entities.size()) {
1L -> entities.first?.let { put(link, decodeFromEntity(it)) }
else -> {
putJsonArray(link) {
entities.forEach {
add(decodeFromEntity(it))
}
}
}
}
}
}
}
public fun <T> StoreTransaction.decodeFromEntity(entity: Entity, deserializer: DeserializationStrategy<T>): T {
val jsonElement = decodeFromEntity(entity)
return Json.decodeFromJsonElement(deserializer, jsonElement)
}
public inline fun <reified T> StoreTransaction.decodeFromEntity(entity: Entity): T = decodeFromEntity(entity, serializer())
// First entity with entityType will be decoded
public fun <T> PersistentEntityStore.decodeFromEntity(entityType: String, deserializer: DeserializationStrategy<T>): T? {
return computeInTransaction { txn ->
txn.getAll(entityType).first?.let { txn.decodeFromEntity(it, deserializer) }
}
}
public inline fun <reified T> PersistentEntityStore.decodeFromEntity(entityType: String): T? = decodeFromEntity(entityType, serializer())
public fun <T> PersistentEntityStore.decodeFromEntity(entityId: EntityId, deserializer: DeserializationStrategy<T>): T? {
return computeInTransaction { txn ->
txn.decodeFromEntity(txn.getEntity(entityId), deserializer)
}
}
public inline fun <reified T> PersistentEntityStore.decodeFromEntity(entityId: EntityId): T? = decodeFromEntity(entityId, serializer())

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package ru.mipt.npm.xodus.serialization.json
import jetbrains.exodus.entitystore.Entity
import jetbrains.exodus.entitystore.EntityId
import jetbrains.exodus.entitystore.PersistentEntityStore
import jetbrains.exodus.entitystore.StoreTransaction
import kotlinx.serialization.SerializationStrategy
import kotlinx.serialization.json.*
import kotlinx.serialization.serializer
internal fun StoreTransaction.encodeToEntity(jsonElement: JsonElement, entity: Entity) {
when (jsonElement) {
is JsonPrimitive -> throw IllegalStateException("Can't serialize primitive value to entity")
is JsonArray -> throw IllegalStateException("Can't serialize array value to entity")
is JsonObject -> {
jsonElement.forEach { entry ->
entry.value.let { value ->
when(value) {
// не сможем десериализовать, если JsonNull (надо ли обрабатывать???) (можно сохранить в отдельный список ключи null-ов)
is JsonPrimitive -> {
if (value.isString) {
entity.setProperty(entry.key, value.content)
} else {
(value.longOrNull ?: value.doubleOrNull ?: value.booleanOrNull)?.let {
entity.setProperty(
entry.key,
it
)
}
}
}
// считаем, что все элементы массива - JsonObject, иначе не можем напрямую сериализовать (надо придывать костыли???)
// не сможем десериализовать, если массив пустой (надо ли обрабатывать???) (можно сохранять в отдельный список ключи пустых массивов)
is JsonArray -> {
value.forEach { element ->
val childEntity = newEntity("${entity.type}.${entry.key}")
encodeToEntity(element, childEntity)
entity.addLink(entry.key, childEntity)
}
}
is JsonObject -> {
val childEntity = newEntity("${entity.type}.${entry.key}")
encodeToEntity(value, childEntity)
entity.setLink(entry.key, childEntity)
}
}
}
}
}
}
}
public fun <T> StoreTransaction.encodeToEntity(serializer: SerializationStrategy<T>, value: T, entityType: String): Entity {
val entity: Entity = newEntity(entityType)
encodeToEntity(Json.encodeToJsonElement(serializer, value), entity)
return entity
}
public inline fun <reified T> StoreTransaction.encodeToEntity(value: T, entityType: String): Entity =
encodeToEntity(serializer(), value, entityType)
public fun <T> PersistentEntityStore.encodeToEntity(serializer: SerializationStrategy<T>, value: T, entityType: String): EntityId {
return computeInTransaction { txn ->
txn.encodeToEntity(serializer, value, entityType).id
}
}
public inline fun <reified T> PersistentEntityStore.encodeToEntity(value: T, entityType: String): EntityId =
encodeToEntity(serializer(), value, entityType)

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package ru.mipt.npm.xodus.serialization.json
import jetbrains.exodus.entitystore.PersistentEntityStores
import kotlinx.datetime.Instant
import kotlinx.serialization.json.JsonObject
import kotlinx.serialization.json.JsonPrimitive
import ru.mipt.npm.controls.api.PropertyChangedMessage
import ru.mipt.npm.magix.api.MagixMessage
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.names.Name
import java.nio.file.Paths
internal fun main() {
val expectedMessage = MagixMessage(
"dataforge",
"dataforge",
PropertyChangedMessage(
"acceleration",
Meta {
"x" put 3.0
"y" put 9.0
},
Name.parse("virtual-car"),
Name.parse("magix-virtual-car"),
time = Instant.fromEpochMilliseconds(1337)
),
"magix-virtual-car"
)
val entityStore = PersistentEntityStores.newInstance(Paths.get(".xodus_serialization").toString())
entityStore.executeInTransaction { txn ->
txn.encodeToEntity(expectedMessage, "MagixMessage")
}
entityStore.executeInTransaction { txn ->
txn.getAll("MagixMessage").first?.let { println(txn.decodeFromEntity<MagixMessage<PropertyChangedMessage>>(it) == expectedMessage) }
}
}

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package ru.mipt.npm.xodus.serialization.json
import jetbrains.exodus.entitystore.PersistentEntityStores
import kotlinx.datetime.Instant
import kotlinx.serialization.json.*
import org.junit.jupiter.api.AfterAll
import org.junit.jupiter.api.AfterEach
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.assertThrows
import ru.mipt.npm.controls.api.PropertyChangedMessage
import ru.mipt.npm.magix.api.MagixMessage
import space.kscience.dataforge.meta.Meta
import space.kscience.dataforge.names.Name
import java.nio.file.Paths
import kotlin.test.assertEquals
internal class EncoderDecoderTests {
companion object {
private val storePath = Paths.get(".xodus_serialization_test")
private val entityStore = PersistentEntityStores.newInstance(storePath.toString())
@AfterAll
@JvmStatic
fun deleteDatabase() {
entityStore.close()
storePath.toFile().deleteRecursively()
}
@AfterEach
fun clearDatabase() {
entityStore.clear()
}
fun checkEncodingDecodingCorrectness(json: JsonObject) {
val id = entityStore.encodeToEntity(json, "JsonObject")
assertEquals(json, entityStore.decodeFromEntity(id))
}
fun checkEncodingDecodingCorrectness(jsons: List<JsonObject>) = jsons.forEach {
checkEncodingDecodingCorrectness(it)
}
}
@Test
fun `encoder throw Illegal exception if input is not a JsonObject`() {
assertThrows<IllegalStateException> {
val json = JsonPrimitive(0)
entityStore.encodeToEntity(json, "JsonPrimitive")
}
assertThrows<IllegalStateException> {
val json = buildJsonArray {}
entityStore.encodeToEntity(json, "JsonArray")
}
}
@Test
fun `correctly work with underlying JsonPrimitive`() {
val jsonLong = buildJsonObject { put("value", 0) }
val jsonDouble = buildJsonObject { put("value", 0.0) }
val jsonBoolean = buildJsonObject { put("value", true) }
val jsonString = buildJsonObject { put("value", "") }
checkEncodingDecodingCorrectness(listOf(jsonLong, jsonDouble, jsonBoolean, jsonString))
}
@Test
fun `correctly work with underlying JsonArray`() {
checkEncodingDecodingCorrectness(buildJsonObject { putJsonArray("value") {
add(buildJsonObject { put("value", 0) })
add(buildJsonObject { put("value", 0.0) })
} })
}
@Test
fun `correctly work with underlying JsonObject`() {
checkEncodingDecodingCorrectness(buildJsonObject {
putJsonObject("value", { put("value", true) })
})
}
@Test
fun testMagixMessagePropertyChangedMessage() {
val expectedMessage = MagixMessage(
"dataforge",
"dataforge",
PropertyChangedMessage(
"acceleration",
Meta {
"x" put 3.0
"y" put 9.0
},
Name.parse("virtual-car"),
Name.parse("magix-virtual-car"),
time = Instant.fromEpochMilliseconds(1337)
),
"magix-virtual-car",
user = buildJsonObject { put("name", "SCADA") }
)
val id = entityStore.encodeToEntity(expectedMessage, "MagixMessage")
assertEquals(expectedMessage, entityStore.decodeFromEntity<MagixMessage<PropertyChangedMessage>>(id))
}
}